import java.util.Scanner;

public class GuessNumber {
    public static void main(String [] args){
        Scanner scan = new Scanner(System.in);
        String again;

        do {
            int answer = (int)(Math.random()*100 + 1);
            int chances = 7;

            while (chances > 0){
                System.out.println("请猜一个1-100之间的整数（含1和100）,"+"你还有"+chances+"次机会,输入-1可结束本轮游戏：");
                int guess;
                try {
                    guess = scan.nextInt();
                }catch (Exception e){
                    System.out.println("请输入合法数字！");
                    scan.next();
                    continue;
                }

                if (guess == -1){
                    break;
                }else if ((guess > answer)){
                    System.out.println("大了！");
                }else if (guess < answer){
                    System.out.println("小了！");
                }else {
                    System.out.println("恭喜你！猜对啦！");
                    break;
                }
                chances = chances - 1;
            }
            if (chances <= 0){
                System.out.println("你没有机会啦！");
            }

            System.out.println("再玩一次吗？（y/n）");
            again = scan.next();
        }while (again.equalsIgnoreCase("y"));
    }
}